Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
110030goodexcellent21excellent
100039lightly pollutedexcellent21excellent
090032goodexcellent21excellent
080030goodexcellent31excellent
070037lightly pollutedexcellent41excellent
060035goodexcellent21excellent
050026goodexcellent31excellent
040034goodexcellent31excellent
030038lightly pollutedexcellent41excellent
020038lightly pollutedexcellent51excellent
010040lightly pollutedexcellent11excellent
000040lightly pollutedexcellent11excellent
230041lightly pollutedexcellent11excellent
220040lightly pollutedexcellent11excellent
210041lightly pollutedexcellent21excellent
200041lightly pollutedexcellent21excellent
190040lightly pollutedexcellent21excellent
180039lightly pollutedexcellent31excellent
170033goodexcellent31excellent
160028goodexcellent21excellent
150025goodexcellent21excellent
140023goodexcellent21excellent
130020goodexcellent11excellent
120022goodexcellent11excellent